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CAS 63922-84-9

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Trimethylsiylethyltriphenylphosphonium iodide

Description:
Trimethylsilyl-ethyltriphenylphosphonium iodide is a quaternary ammonium salt characterized by its unique structure, which includes a triphenylphosphonium cation and an iodide anion. This compound is typically used in organic synthesis, particularly in reactions involving phosphonium ylides, which are intermediates in the formation of alkenes through the Wittig reaction. The presence of the trimethylsilyl group enhances the solubility and stability of the compound in various organic solvents. It is generally a white to off-white solid at room temperature and may exhibit hygroscopic properties, absorbing moisture from the air. The compound is known for its relatively high thermal stability, making it suitable for reactions that require elevated temperatures. Additionally, due to the presence of the iodide ion, it can participate in nucleophilic substitution reactions. Safety precautions should be taken when handling this compound, as it may pose risks associated with the phosphonium and iodide components. Always refer to safety data sheets for specific handling and disposal guidelines.
Formula:C23H28IPSi
InChI:InChI=1/C23H28PSi.HI/c1-25(2,3)20-19-24(21-13-7-4-8-14-21,22-15-9-5-10-16-22)23-17-11-6-12-18-23;/h4-18H,19-20H2,1-3H3;1H/q+1;/p-1
Synonyms:
  • (2-Trimethylsiylethyl)triphenylphosphonium iodide
  • Triphenyl[2-(Trimethylsilyl)Ethyl]Phosphonium Iodide
  • (2-TRIMETHYLSILYLETHYL)TRIPHENYLPHOSPHONIUM IODIDE
  • TRIPHENYL(2-TRIMETHYLSILYLETHYL)PHOSPHONIUM IODIDE
  • Phosphonium, triphenyl[2-(trimethylsilyl)ethyl]-, iodide
  • Trimethylsiylethyltriphenylphosphoniumiodide
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